CHAPTER 4 RELATIONAL DATABASES SUGGESTED ANSWERS TO DISCUSSION QUESTIONS 4.1 Contrast the logical and the physical view of data and discuss why separate views are necessary in database applications. Describe which perspective is most useful for each of the following employees: a programmer‚ a manager‚ and an internal auditor. How will understanding logical data structures assist you when designing and using database systems?</para></question><question
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Innovations in Practice Volume 9‚ 2010 Database Security: What Students Need to Know Meg Coffin Murray Kennesaw State University‚ Kennesaw‚ GA‚ USA mcmurray@kennesaw.edu Executive Summary Database security is a growing concern evidenced by an increase in the number of reported incidents of loss of or unauthorized exposure to sensitive data. As the amount of data collected‚ retained and shared electronically expands‚ so does the need to understand database security. The Defense Information Systems
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ways in which database technologies could be used by an office stationery supply company to achieve low-cost leadership. Answer: Sales databases could be used to make the supply chain more efficient and minimize warehousing and transportation costs. You can also use sales databases‚ as well as text mining and sentiment analysis‚ to determine what supplies are in demand by which customers and whether needs are different in different geographical areas. Business intelligence databases could be used
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LP1_William_Norris Chapter 1 Practice question # 10 a) Advantages of a database over the instructor’s current system would be; organization of data into one location rather than across several spreadsheets‚ and ease and speed regarding both data storage and retrieval. b) Major topics of the database include; students‚ dates attended‚ assignment and test scores‚ and overall grades. c) A statement of work for this database may look like the following; History: Historically‚ student data has
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Application-time period tables have Primary keys‚ Referential constraints‚ and Querying and System-versioned tables have Primary key‚ Referential constraints‚ Querying. [2] Microsoft’s SQL Express Versions are Express with Advanced Services‚ Express with Tools‚ and SQL Server Express. The advanced services have a database engine‚ full text search‚ reporting services‚ business intelligence development studio‚ and SQL server management studio. The tools have a database engine‚ and SQL server management studio
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Izzy Lowell-Forker May 13‚ 2014 Credito Culturales Los Cumpleanos en Espanola In Spanish countries birthdays for young and old are celebrated with much consideration. But Birthdays are celebrated just a little different from how we celebrate them in the USA. In Spain‚ instead of getting a punch in the arm for every year of your life‚ you get a tug on your ear… plus one for good luck. Another different custom in Spain is when you are old enough; you throw your own parties and treat your friends
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Introduction “How can humidity be measured by human hair?” you may ask. There is a simple way to do it! Create a hygrometer‚ an instrument for measuring the level of humidity in the air. Testable Questions: 1.What is a hygrometer? 2.How does it measure humidity? 3.How is hair affected by humidity? : Hypothesis I hypothesize that when the air gets very humid‚ the hair will curl up and move the pointer higher‚ because when I go out in the summertime‚ my hair gets frizzy. I also believe that
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Integrity‚ the quality of being honest and having strong moral principles; moral uprightness. The definition of integrity is vague and rather open ended. Morals are the premise for all perceptions of integrity and should be further explored to better understand the cloudiness behind integrity. Morals are the standing personal ideas of what basic fibers construct all decisions‚ right or wrong. But morals are personal‚ and ever changing‚ never exactly the same person to person. For example‚ the
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A3. How can employees position themselves vis-à-vis the expectations of HR managers? Employees can position themselves in a way that results in a situation where both employees and a company can benefit from each. It will also help the employees to gain better recognition in the company and also create more chances to be head hunted by external recruiters for critical positions in the industry. Firstly‚ the most important task for any company is to imbibe its core values and principles in each employee
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The Integrity of Leadership When examining responses about qualities needed in a good leader‚ the common response was “integrity.” Merriam-Webster defines integrity as‚ "firm adherence to a code of especially moral or artistic values ; incorruptibility." This definition is widely known to most; however‚ it stems from the Latin root "Intetegritas‚" which translates as "purity and soundness." The sum of these definitions gives one a clear picture of integrity and invokes images of the many historical
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